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pade_firstder(F,pade,Isym)
Presentation
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pade_init(nx,l0,lx,bd0,bd1)
Presentation
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pade_secder(F,pade,Isym)
Presentation
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pade_test(nperiod,b0,b1)
Presentation
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6th order Pade Derivative
by Julien Reveillon
17 May 2008
(Updated 18 Jun 2008)
A set of functions to compute high order (6th) finite difference derivatives (first and second orde
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| File Information |
| Description |
Remarks :
1) A sixth order FD derivative can not be used with too strong gradients
2) The grid (xp) is generated inside the pade_init function. A slight modification would authorize external grids but beware to the boundary conditions
.m files in the package:
- pade_init.m : initialization of the Pade coefficients
(a tridiagonal matrix is inialized)
- pade_firstder.m : first order derivative
- pade_secder.m : second order derivative
- pase_test.m : use this function to carry out some tests. |
| MATLAB release |
MATLAB 7.5 (R2007b)
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| Updates |
| 18 Jun 2008 |
Addition of a .pdf file describing all the pade expressions depending on the selected boundary : periodic, symmetric, closed. |
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